package com.ysstech.schedule.utils;

import java.util.ArrayList;
import java.util.List;

import com.ysstech.schedule.entity.ScheduleJob;
import org.apache.commons.lang.StringUtils;
import org.quartz.*;
import org.springframework.util.CollectionUtils;


/**
 * 定时任务工具类
 */
public class ScheduleUtils {
    private final static String JOB_NAME = "TASK_";

    /**
     * 获取触发器key
     */
    public static TriggerKey getTriggerKey(String jobId) {
        return TriggerKey.triggerKey(JOB_NAME + jobId);
    }

    /**
     * 获取jobKey
     */
    public static JobKey getJobKey(String jobId) {
        return JobKey.jobKey(JOB_NAME + jobId);
    }

    /**
     * 获取表达式触发器
     */
    public static CronTrigger getCronTrigger(Scheduler scheduler, String jobId) {
        try {
            return (CronTrigger) scheduler.getTrigger(getTriggerKey(jobId));
        } catch (SchedulerException e) {
            throw new RuntimeException("获取定时任务CronTrigger出现异常", e);
        }
    }

    /**
     * 创建定时任务
     */
    public static void createScheduleJob(Scheduler scheduler, ScheduleJob scheduleJob) {
        try {
            //构建job信息
            JobDetail jobDetail = JobBuilder.newJob(ScheduleJobQuartz.class).withIdentity(getJobKey(scheduleJob.getId())).build();
            //表达式调度构建器
            CronScheduleBuilder scheduleBuilder = CronScheduleBuilder.cronSchedule(scheduleJob.getCronExpression())
                    .withMisfireHandlingInstructionDoNothing();
            //按新的cronExpression表达式构建一个新的trigger
            CronTrigger trigger = TriggerBuilder.newTrigger().withIdentity(getTriggerKey(scheduleJob.getId())).withSchedule(scheduleBuilder).build();
            //放入参数，运行时的方法可以获取
            jobDetail.getJobDataMap().put(ScheduleJob.JOB_PARAM_KEY, scheduleJob);
            scheduler.scheduleJob(jobDetail, trigger);
            //暂停任务
            if (2 == scheduleJob.getStatus()) {
                pauseJob(scheduler, scheduleJob.getId());
            }
        } catch (SchedulerException e) {
            throw new RuntimeException("创建定时任务失败", e);
        }
    }

    /**
     * 更新定时任务
     */
    public static void updateScheduleJob(Scheduler scheduler, ScheduleJob scheduleJob) {
        try {
            TriggerKey triggerKey = getTriggerKey(scheduleJob.getId());
            //表达式调度构建器
            CronScheduleBuilder scheduleBuilder = CronScheduleBuilder.cronSchedule(scheduleJob.getCronExpression())
                    .withMisfireHandlingInstructionDoNothing();
            CronTrigger trigger = getCronTrigger(scheduler, scheduleJob.getId());
            //按新的cronExpression表达式重新构建trigger
            trigger = trigger.getTriggerBuilder().withIdentity(triggerKey).withSchedule(scheduleBuilder).build();
            //参数
            trigger.getJobDataMap().put(ScheduleJob.JOB_PARAM_KEY, scheduleJob);
            scheduler.rescheduleJob(triggerKey, trigger);
            //暂停任务
            if (2 == scheduleJob.getStatus()) {
                pauseJob(scheduler, scheduleJob.getId());
            }
        } catch (SchedulerException e) {
            throw new RuntimeException("更新定时任务失败", e);
        }
    }

    /**
     * 立即执行任务
     */
    public static void run(Scheduler scheduler, ScheduleJob scheduleJob) {
        try {
            JobDataMap dataMap = new JobDataMap();  //参数
            dataMap.put(ScheduleJob.JOB_PARAM_KEY, scheduleJob);
            scheduler.triggerJob(getJobKey(scheduleJob.getId()), dataMap);
        } catch (SchedulerException e) {
            throw new RuntimeException("立即执行定时任务失败", e);
        }
    }

    /**
     * 暂停任务
     */
    public static void pauseJob(Scheduler scheduler, String jobId) {
        try {
            scheduler.pauseJob(getJobKey(jobId));
        } catch (SchedulerException e) {
            throw new RuntimeException("暂停定时任务失败", e);
        }
    }

    /**
     * 批量暂停任务
     */
    public static void pauseJobs(Scheduler scheduler, List<String> jobIds) {
        try {
            List<JobKey> list = new ArrayList<>();
            for (String jobId : jobIds) {
                if (StringUtils.isBlank(jobId)) {
                    continue;
                }
                list.add(getJobKey(jobId));
            }
            for (JobKey jobKey : list) {
                scheduler.pauseJob(jobKey);
            }
        } catch (SchedulerException e) {
            throw new RuntimeException("删除定时任务失败", e);
        }
    }

    /**
     * 恢复任务
     */
    public static void resumeJob(Scheduler scheduler, String jobId) {
        try {
            scheduler.resumeJob(getJobKey(jobId));
        } catch (SchedulerException e) {
            throw new RuntimeException("暂停定时任务失败", e);
        }
    }

    /**
     * 批量恢复任务
     */
    public static void resumeJobs(Scheduler scheduler, List<String> jobIds) {
        try {
            List<JobKey> list = new ArrayList<>();
            for (String jobId : jobIds) {
                if (StringUtils.isBlank(jobId)) {
                    continue;
                }
                list.add(getJobKey(jobId));
            }
            for (JobKey jobKey : list) {
                scheduler.resumeJob(jobKey);
            }
        } catch (SchedulerException e) {
            throw new RuntimeException("删除定时任务失败", e);
        }
    }

    /**
     * 删除定时任务
     */
    public static void deleteScheduleJob(Scheduler scheduler, String jobId) {
        try {
            scheduler.deleteJob(getJobKey(jobId));
        } catch (SchedulerException e) {
            throw new RuntimeException("删除定时任务失败", e);
        }
    }

    /**
     * 批量删除定时任务
     */
    public static void deleteScheduleJobs(Scheduler scheduler, List<String> jobIds) {
        try {
            List<JobKey> list = new ArrayList<>();
            for (String jobId : jobIds) {
                if (StringUtils.isBlank(jobId)) {
                    continue;
                }
                list.add(getJobKey(jobId));
            }
            if (!CollectionUtils.isEmpty(list)) {
                scheduler.deleteJobs(list);
            }
        } catch (SchedulerException e) {
            throw new RuntimeException("删除定时任务失败", e);
        }
    }
}
